Semiclassical Theory Of Shape Resonances In Quantum Mechanics PDF Download
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| Author | : Peter D. Hislop |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 133 |
| Release | : 1989 |
| Genre | : Mathematics |
| ISBN | : 0821824627 |
Download Semiclassical Theory of Shape Resonances in Quantum Mechanics Book in PDF, ePub and Kindle
In this paper, we prove the existence of shape resonances in the semi-classical approximation for Hamiltonians of the form [italic]H([lowercase Greek]Lambda) [triple bar symbol] −([capital Greek]Delta + ([lowercase Greek]Lambda2[italic]V + [italic]U on [italic]L2([bold]R[superscript italic]n), where ([lowercase Greek]Lambda [triple bar symbol] 1/h[with stroke], h[with stroke] [triple bar symbol] (2[lowercase Greek]Pi)−1h.
| Author | : Semyon Dyatlov |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 634 |
| Release | : 2019-09-10 |
| Genre | : Frequencies of oscillating systems |
| ISBN | : 147044366X |
Download Mathematical Theory of Scattering Resonances Book in PDF, ePub and Kindle
Scattering resonances generalize bound states/eigenvalues for systems in which energy can scatter to infinity. A typical resonance has a rate of oscillation (just as a bound state does) and a rate of decay. Although the notion is intrinsically dynamical, an elegant mathematical formulation comes from considering meromorphic continuations of Green's functions. The poles of these meromorphic continuations capture physical information by identifying the rate of oscillation with the real part of a pole and the rate of decay with its imaginary part. An example from mathematics is given by the zeros of the Riemann zeta function: they are, essentially, the resonances of the Laplacian on the modular surface. The Riemann hypothesis then states that the decay rates for the modular surface are all either or . An example from physics is given by quasi-normal modes of black holes which appear in long-time asymptotics of gravitational waves. This book concentrates mostly on the simplest case of scattering by compactly supported potentials but provides pointers to modern literature where more general cases are studied. It also presents a recent approach to the study of resonances on asymptotically hyperbolic manifolds. The last two chapters are devoted to semiclassical methods in the study of resonances.
| Author | : Anne Boutet de Monvel |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 397 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401132828 |
Download Recent Developments in Quantum Mechanics Book in PDF, ePub and Kindle
Proceedings of the Brasov Conference, Poiana Brasov 1989, Romania
| Author | : Fritz Gesztesy |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 528 |
| Release | : 2007 |
| Genre | : Mathematics |
| ISBN | : 082184248X |
Download Spectral Theory and Mathematical Physics: A Festschrift in Honor of Barry Simon's 60th Birthday Book in PDF, ePub and Kindle
This Festschrift had its origins in a conference called SimonFest held at Caltech, March 27-31, 2006, to honor Barry Simon's 60th birthday. It is not a proceedings volume in the usual sense since the emphasis of the majority of the contributions is on reviews of the state of the art of certain fields, with particular focus on recent developments and open problems. The bulk of the articles in this Festschrift are of this survey form, and a few review Simon's contributions to aparticular area. Part 1 contains surveys in the areas of Quantum Field Theory, Statistical Mechanics, Nonrelativistic Two-Body and $N$-Body Quantum Systems, Resonances, Quantum Mechanics with Electric and Magnetic Fields, and the Semiclassical Limit. Part 2 contains surveys in the areas of Random andErgodic Schrodinger Operators, Singular Continuous Spectrum, Orthogonal Polynomials, and Inverse Spectral Theory. In several cases, this collection of surveys portrays both the history of a subject and its current state of the art. A substantial part of the contributions to this Festschrift are survey articles on the state of the art of certain areas with special emphasis on open problems. This will benefit graduate students as well as researchers who want to get a quick, yet comprehensiveintroduction into an area covered in this volume.
| Author | : Mohsen Razavy |
| Publisher | : World Scientific |
| Total Pages | : 574 |
| Release | : 2003-01-29 |
| Genre | : Science |
| ISBN | : 9814488445 |
Download Quantum Theory Of Tunneling Book in PDF, ePub and Kindle
This book provides a comprehensive introduction to the theoretical foundations of quantum tunneling, stressing the basic physics underlying the applications. The topics addressed include exponential and nonexponential decay processes and the application of scattering theory to tunneling problems. In addition to the Schrödinger equation approach, the path integral, Heisenberg's equations and the phase space method are all used to study the motion of a particle under the barrier. Extensions to the multidimensional cases and tunneling of particles with internal degrees of freedom are also considered. Furthermore, recent advances concerning time delay and tunneling times and some of the problems associated with their measurement are also discussed. Finally, some examples of tunneling in atomic, molecular, nuclear and condensed matter physics are presented.
| Author | : Sandro Graffi |
| Publisher | : World Scientific |
| Total Pages | : 320 |
| Release | : 2001 |
| Genre | : Science |
| ISBN | : 9789812794598 |
Download Long Time Behaviour of Classical and Quantum Systems Book in PDF, ePub and Kindle
Return to equilibrium in classical and quantum systems / Carlangelo Liverani -- Quantum resonances and trapped trajectories / Johannes Sjostrand -- Return to thermal equilibrium in quantum statistical mechanics / Volker Bach -- Small oscillations in some nonlinear PDE's / Dario Bambusi and Simone Paleari -- The semi-classical Van-Vleck Formula. Application to the Aharonov-Bohm effect / Jean-Marie Bily and Didier Robert -- Fractal dimensions and quantum evolution associated with sparse potential Jacobi matrices / Jean-Michel Combes and Giorgio Mantica -- Infinite step billiards / Mirko Degli Esposti -- Semiclassical expansion for the thermodynamic limit of the ground state energy of Kac's operator / Bernard Helffer and Thierry Ramond -- Asymptotics of scattering poles for two strictly convex obstacles / Mitsuru Ikawa -- Parabolic dynamical systems and inducing / Stefano Isola -- QFT for scalar particles in external fields on Riemannian manifolds / Hiroshi Isozaki -- Existence and born-Oppenheimer Asymptotics of the total scattering cross-section in ion-atom collisions / Thierry Jecko, Markus Klein and Xue Ping Wang -- On asymptotic perturbation theory for quantum mechanics / Gheorghe Nenciu -- Destruction of the beating effect in a periodically driven double-well / Andrea Sacchetti -- Berezin-Toeplitz quantization and Berezin transform / Martin Schlichenmaier.
| Author | : Olaf Post |
| Publisher | : Springer |
| Total Pages | : 444 |
| Release | : 2012-01-05 |
| Genre | : Mathematics |
| ISBN | : 3642238408 |
Download Spectral Analysis on Graph-like Spaces Book in PDF, ePub and Kindle
Small-radius tubular structures have attracted considerable attention in the last few years, and are frequently used in different areas such as Mathematical Physics, Spectral Geometry and Global Analysis. In this monograph, we analyse Laplace-like operators on thin tubular structures ("graph-like spaces''), and their natural limits on metric graphs. In particular, we explore norm resolvent convergence, convergence of the spectra and resonances. Since the underlying spaces in the thin radius limit change, and become singular in the limit, we develop new tools such as norm convergence of operators acting in different Hilbert spaces, an extension of the concept of boundary triples to partial differential operators, and an abstract definition of resonances via boundary triples. These tools are formulated in an abstract framework, independent of the original problem of graph-like spaces, so that they can be applied in many other situations where the spaces are perturbed.
| Author | : P.D. Hislop |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 331 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 146120741X |
Download Introduction to Spectral Theory Book in PDF, ePub and Kindle
The intention of this book is to introduce students to active areas of research in mathematical physics in a rather direct way minimizing the use of abstract mathematics. The main features are geometric methods in spectral analysis, exponential decay of eigenfunctions, semi-classical analysis of bound state problems, and semi-classical analysis of resonance. A new geometric point of view along with new techniques are brought out in this book which have both been discovered within the past decade. This book is designed to be used as a textbook, unlike the competitors which are either too fundamental in their approach or are too abstract in nature to be considered as texts. The authors' text fills a gap in the marketplace.
| Author | : Sandro Graffi |
| Publisher | : World Scientific |
| Total Pages | : 299 |
| Release | : 2001-04-02 |
| Genre | : Science |
| ISBN | : 9814491535 |
Download Long Time Behaviour Of Classical And Quantum Systems - Proceedings Of The Bologna Aptex International Conference Book in PDF, ePub and Kindle
This book is centered on the two minicourses conducted by C Liverani (Rome) and J Sjoestrand (Paris) on the return to equilibrium in classical statistical mechanics and the location of quantum resonances via semiclassical analysis, respectively. The other contributions cover related topics of classical and quantum mechanics, such as scattering theory, classical and quantum statistical mechanics, dynamical localization, quantum chaos, ergodic theory and KAM techniques.
| Author | : Steven Zelditch |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 113 |
| Release | : 1992 |
| Genre | : Curves on surfaces |
| ISBN | : 0821825267 |
Download Selberg Trace Formulae and Equidistribution Theorems for Closed Geodesics and Laplace Book in PDF, ePub and Kindle
This work is concerned with a pair of dual asymptotics problems on a finite-area hyperbolic surface. The first problem is to determine the distribution of closed geodesics in the unit tangent bundle. The second problem is to determine the distribution of eigenfunctions (in microlocal sense) in the unit tangent bundle.
